<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>笑脸图</title>
</head>

<body>
    <h1>笑脸图</h1>
    <p>修改网页代码，让它显示一张笑脸图。</p>
    
    <!-- 笑脸图片地址：custom/images/face.png -->
</body>

</html>